Quick Definition
ἀποδιορίζω v. I make a distinction
Strong's Definition
from 575 and a compound of 223 and 3724; to disjoin (by a boundary, figuratively, a party)
KJV Usage: separate
UBS Dictionary of the Greek New Testament
verb | ὁρίζω
39.16 · Hostility, Strife · Division
to cause divisions to cause or instigate divisions between people ‘To cause divisions’ may be expressed in a number of languages in idiomatic ways, for example, ‘to cause people to turn their backs on one another’ or ‘to cause people to no longer speak to one another’ or ‘to cause people to form parties against one another.’ For another interpretation of ἀποδιορίζω in JUD 1:19, see 30.116.
30.116 · Think · To Distinguish, To Evaluate, To Judge
to make a distinction between, to draw a line between, to separate one from another to judge that there is a significant distinction between two or more objects or events In JUD 1:19 the specific distinction between ‘spiritual and unspiritual persons’ comes from the context, as suggested in the New English Bible. For another interpretation of ἀποδιορίζω in JUD 1:19, see 39.16.
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἀπο-δι-ορίζω ; (διορίζω, and this fr. ὅρος a limit); by drawing boundaries 10 disjoin, part, separate from another: Jude 19 (οἱ ἀποδιορίζοντες ἑαυτούς those who by their wickedness separate themselves from the living fellowship of Christians; if €avr. be dropped, with Rec GLT Tr WH, the rendering is making divisions or separations). (Aristot. pol. 4, 4, 13 [p. 1290», 25].)
Mounce Concise Greek Dictionary
ἀποδιορίζω apodiorizō 1x
pr. to separate by intervening boundaries; to separate or divide, Jude 19*
Abbott-Smith Greek Lexicon
* ἀπο-δι-ορίζω
(< διορίζω, < ἅρος, a limit),
to mark off, hence metaph. to make separations: Ju 19 (Cremer, 806).†
Moulton & Milligan — Vocabulary of the Greek NT
ἀποδιορίζω. The simplex (if we may so call what is already a compound) may be seen in Wiinsch A/ 3% (p. 12) (Carthage, leaden tablet) ἐξορκίζω ὑμᾶς κατὰ τοῦ ἐπάν[ω] Tod οὐρανοῦ θεοῦ, τοῦ καθημένου ἐπὶ τῶν Χερουβί, ὁ διορίσας τὴν γῆν καὶ χωρίσας τὴν θάλασσαν : the writer has got enough Judaism to curse with. For his grammar cf. Pro/eg. p. ὅ0 π.}.
Liddell-Scott-Jones — Greek-English Lexicon
ἀποδιορίζω (apodiorizō) — to divide. ἀποδιορ-ίζω, mark off by dividing or defining, [Refs 4th c.BC+]; (i.e. ἑαυτούς) [NT]